Home / 39,671.46-59,494.43-20,940.71

Finding the Fourth Proportional to 39,671.46, 59,494.43 and 20,940.71

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Solution

The fourth proportional to 39,671.46, 59,494.43 and 20,940.71 is: 31,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.46 : 59,494.43 = 20,940.71 : x
  2. Step 2: Convert to fraction form
    39,671.46/59,494.43 = 20,940.71/x
  3. Step 3: Cross multiply
    39,671.46x = 59,494.43 × 20,940.71
  4. Step 4: Simplify right side
    39,671.46x = 1,245,855,203.07
  5. Step 5: Solve for x
    x = 1,245,855,203.07/39,671.46
  6. Step 6: Final answer
    x = 31,404.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.